package org.openrbac.rbac.handler;

import com.alibaba.fastjson.JSONObject;
import org.openrbac.rbac.vo.R;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

/**
 * @author bapie
 */
@RestControllerAdvice
public class ResponseBodyHandler implements ResponseBodyAdvice {
    @Override
    public boolean supports(MethodParameter returnType, Class converterType) {
        return true;
    }

    @Override
    public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType, Class selectedConverterType, ServerHttpRequest request, ServerHttpResponse response) {
        if(body instanceof R){
            return body;
        }else if(body instanceof String){
            return JSONObject.toJSONString(R.ok(body));
        }
        return R.ok(body);
    }
}
